Wright, Angela H. et al. <br/><br/>
Contraceptive technology :  1978-1979 / 
Robert A. Hatcher; Gary K. Stewart, Felicia Stewart. 
 - New York :  Irvington,  1978. 
 - xv, 192 p. ;  21 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0470263601